Atriums
intelligent analog/addressable photoelectric smoke
detector utilizing early warning smoke detection
General. Atriums shall be designed in accordance with the
technology (e.g., smoke detectors having enhanced
requirements in the IBC.
algorithms, fire alarm control panel having capability
to program individual smoke detector response
Special Requirements. The following requirements take
parameters, or smoke detectors using air sampling
precedence over the requirements in the IBC:
technology for use in essential electronic facilities,
The atrium sprinkler system shall be designed as a
etc.) within a single protected area shall disconnect
separate sprinkler zone. In addition, a separate manual
power to the computer equipment and to the HVAC
isolation valve and a separate water flow switch shall be
system after a pre-set time delay.
located in an accessible location. A tamper switch shall
Water based and/or non-water based fire extinguishing
be provided on all such valves.
systems shall not be installed below raised floors that
Atrium smoke removal systems shall be designed and
are less than or equal to 457 mm (18 inches) in height.
installed in accordance with the requirements in the IBC.
Places of Confinement
Track Files
General. Places of confinement are considered places
General. A track file uses a single aisle to give access to an
where persons are held under lock during daytime hours,
otherwise solid group of open-shelf files. Access is gained
but not overnight.
by moving shelf units on rollers along a track until the
Special Requirements. Places of confinement shall meet
proper unit is exposed.
the following requirements:
Special Requirements. Track files shall meet the following
Places of confinement shall be separated from other parts
requirements:
of the building by fire partitions having a minimum 1-hour
The track file system shall be constructed entirely of steel.
fire resistance rating. The fire-resistive enclosure shall
At least 1.4 mm (18-gauge) sheet metal shall be used for
also include all areas within the secure prisoner
all parts of the shelving unit.
movement system.
The system shall be no more than 2438 mm (8 feet) high,
Sprinklers shall be installed within all places of
and a minimum clearance of 457 mm (18 inches) shall be
confinement, including, but not limited to, prisoner holding
maintained between the top of the shelving and the
cells, the main prisoner detention cell block, prisoner
ceiling.
attorney interview rooms, etc.
The sprinkler density shall be 12.2 (L/min)/m2 (0.3 gpm/sq.
The sprinklers installed shall be institutional quick
ft.) over 139 m2 (1500 sq. ft.). Sprinkler spacing shall be 9.3
response flush pendent sprinklers designed for standard
m2 (100 sq. ft.) maximum.
and extended coverage applications.
The back cover of stationary end files shall be solid sheet
The institutional sprinklers shall have a solder-link type
metal.
fusible element, a tamper-resistant escutcheon, and a
retaining flange that prevents sprinkler movement away
For floor loading requirements see PBS-P100, Chapter 4.
from walls and ceilings.
229
FIRE
PROTECTION
&
LIFE
SAFETY
7.16
Special Fire Protection Requirements
Revised March 2005 PBS-P100
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